Home / 1,955,080,956.18-2,698,108,654.38-1,212,764,167.38

Finding the Fourth Proportional to 1,955,080,956.18, 2,698,108,654.38 and 1,212,764,167.38

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Solution

The fourth proportional to 1,955,080,956.18, 2,698,108,654.38 and 1,212,764,167.38 is: 1,673,674,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,080,956.18 : 2,698,108,654.38 = 1,212,764,167.38 : x
  2. Step 2: Convert to fraction form
    1,955,080,956.18/2,698,108,654.38 = 1,212,764,167.38/x
  3. Step 3: Cross multiply
    1,955,080,956.18x = 2,698,108,654.38 × 1,212,764,167.38
  4. Step 4: Simplify right side
    1,955,080,956.18x = 3,272,169,495,729,933,312
  5. Step 5: Solve for x
    x = 3,272,169,495,729,933,312/1,955,080,956.18
  6. Step 6: Final answer
    x = 1,673,674,681.03

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Double scale
Find fourth proportional to 1,955,080,957.18, 2,698,108,655.76 and 1,212,764,168.38
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.